APA

Okasha H. H., Naguib M., El Nady M., Ezzat R., Al-Gemeie E., Al-Nabawy W., Aref W., Abdel-Moaty A., Essam K. & Hamdy A.Role of endoscopic ultrasound and endoscopic-ultrasound-guided fine-needle aspiration in endoscopic biopsy negative gastrointestinal lesions. : Endoscopic ultrasound.

Chicago

Okasha Hussein Hassan, Naguib Mohamed, El Nady Mohamed, Ezzat Reem, Al-Gemeie Emad, Al-Nabawy Waleed, Aref Wael, Abdel-Moaty Ahmed, Essam Karim and Hamdy Ahmed.Role of endoscopic ultrasound and endoscopic-ultrasound-guided fine-needle aspiration in endoscopic biopsy negative gastrointestinal lesions. : Endoscopic ultrasound.

Harvard

Okasha H. H., Naguib M., El Nady M., Ezzat R., Al-Gemeie E., Al-Nabawy W., Aref W., Abdel-Moaty A., Essam K. and Hamdy A.Role of endoscopic ultrasound and endoscopic-ultrasound-guided fine-needle aspiration in endoscopic biopsy negative gastrointestinal lesions. : Endoscopic ultrasound.

MLA

Okasha Hussein Hassan, Naguib Mohamed, El Nady Mohamed, Ezzat Reem, Al-Gemeie Emad, Al-Nabawy Waleed, Aref Wael, Abdel-Moaty Ahmed, Essam Karim and Hamdy Ahmed.: Endoscopic ultrasound. .